Evaluating the degree of attachment of the gums in the treatment of stomatology is facilitated by the gingivitis indicator based on PMA criteria Stomatologiya  amaliyotida  milk shilliq  qavati yallig’lanish   darajasini  baxolash  va  bu yallig’lanishning  dinamik  o’zgarishini kuzatib , solishtirib   borish   maqsadida                        popillyar-marginal-alveolyar ko’rsatkich  PMA keng qo’llaniladi .                                                             Mazkur ko’rsatkichning har xil modifikatsiada aniqlash yollari mavjudligiga qaramay  Parma tomonidan 1960-yildatavsiya qilingan oddiy, oson bajariladigan usul qulay hisoblanadi.